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JAMB Physics 1990 Question 23

Question 23

Light and Reflection

Shadows and eclipses result from the

  1. A.refraction of light
  2. B.rectilinear propagation of light
  3. C.defraction of light
  4. D.reflection of light.
Show the answer and explanation

Answer: B (rectilinear propagation of light)

Explanation

Shadows and eclipses form because light travels in straight lines and cannot bend round opaque objects.